DP Chemistry (last assessment 2024)

Question 22M.1.sl.TZ1.18

Date	May 2022	Marks available	[Maximum mark: 1]	Reference code	22M.1.sl.TZ1.18
Level	sl	Paper	1	Time zone	TZ1
Command term	Determine	Question number	18	Adapted from	N/A

18.

[Maximum mark: 1]

22M.1.sl.TZ1.18

$\frac{1}{2}$ Cl₂(g) + $\frac{1}{2} I_{2}$ (g) $⇌$ $I$ Cl (g) K_c = 454

What is the K_c value for the reaction below?

2 $I$ Cl (g) $⇌$ Cl₂(g) + $I_{2}$ (g)

A. $2 \times 454$

B. $\frac{1}{2 \times 454}$

C. $454^{2}$

D. $\frac{1}{454^{2}}$

[1]

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Examiners report

Question 18 was identified as being mathematically challenging. However, as all answers were shown as calculations rather than as final answers, this does not seem a reasonable complaint.

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Core

Core » Topic 7: Equilibrium » 7.1 Equilibrium

Core » Topic 7: Equilibrium

Question 22M.1.sl.TZ1.18

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